NFL is looking for a partner to livestream games this season

The live streaming rights to Thursday Night Football games are up for grabs.

The NFL is currently looking for a company to partner with for the upcoming season, according to a source familiar with the matter. Twitter(TWTR), Facebook(FB), Amazon(AMZN) and YouTube are among those in the running.

It won't be cheap for whoever gets the deal.

During the 2016-2017 season, the NFL partnered with Twitter, which livestreamed 10 TNF games. Twitter paid millions for the rights.

The NFL is livestreaming games is to attract viewerswho use social media and value mobility, as well as those who may not have cable.

Last year's stream was accessible in every country where Twitter operates, and presumably the same will be true if another company lands the deal.The one exception will likely be Canada, which has a different TV rights deal with the NFL.

Twitter, Facebook, Amazon and YouTube did not immediately respond to requests for comment.